Haffkine Bio-Pharmaceutical Corporation Ltd. Manufactures Monovalent Antiscorpion Venom Serum. Haffkine Bio-Pharmaceutical Corporation Ltd. Supplies wide range of bacterial and viral vaccines for diphtheria, tetanus, whooping cough, plague, poliomyelitis and rabies. Monovalent Antiscorpion Venom Serum is a freeze dried antivenin to treat sting victims of red scorpion [Buthus tamulus] which can be stored at room temperature. Monovalent Antiscorpion Venom Serum is a solution of enzyme digested, refined antibodies prepared from equine blood. This vaccine is available in vials. Water for Injection is provided for reconstitution of the freeze-dried powder. It is indicated for scorpion bite treatment.